This heavy abrasive is for removal of severe swirls, oxidation, severe scratches, and heavy over-spray. SSR-3 will help to restore luster and shine to your finish. SSR-3 is \"Body Shop Safe\" and does not contain wax, silicone, or gloss enhancers, what you see is what you get, there is never a need for a time consuming IPA wipe down to see what you have removed.Just like all Poorboys World products SSR-3 may be used in the SUN or SHADE. SSR-3 is recommended for machine use, but can be used by hand if needed. For use on Clear-coats, Paint, Chrome, Gel Coats, Glass, and Plexiglas. Poorboys World SSR-3 needs to be followed up by a lighter polish, sometimes multiple steps are necessary. SSR-3 is a Professional Grade product and should only be used by professionals on severely neglected cars, or after wet-sanding Heavy duty compound removes deep swirls and oxidation Contains no silicone or wax Ultra fine abrasive dust polishes away mild imperfections and swirls while restoring gloss. nano abrasives work longer to level imperfections and leave the paint looking flawless. Use in sun or shade Use by hand or by machine.